Hardness evaluates a fabric's ability to resist mechanical don and abrasion. Alumina ceramics surpass metal and tungsten carbide applications in hardness. Over the Rockwell hardness scale, alumina ceramics range between HRA80-ninety, inserting them slightly below diamonds and over stainless-steel. We use cookies to give you an even better browsing working https://zirconia-ceramics99000.mybuzzblog.com/14179914/the-basic-principles-of-alumina-ceramics